25905046 has 8 divisors (see below), whose sum is σ = 38935440. Its totient is φ = 12926568.

The previous prime is 25905017. The next prime is 25905067. The reversal of 25905046 is 64050952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25904999 and 25905017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11706 + ... + 13741.

It is an arithmetic number, because the mean of its divisors is an integer number (4866930).

Almost surely, 2^25905046 is an apocalyptic number.

25905046 is a deficient number, since it is larger than the sum of its proper divisors (13030394).

25905046 is a wasteful number, since it uses less digits than its factorization.

25905046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25958.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 25905046 is about 5089.6999911586. The cubic root of 25905046 is about 295.8885247993. Note that the first 3 decimals are identical.

Adding to 25905046 its reverse (64050952), we get a palindrome (89955998).

The spelling of 25905046 in words is "twenty-five million, nine hundred five thousand, forty-six".